Quick Answer: The Prism Hollow, Glass is an equilateral hollow prism made of borosilicate glass plates, filled with a liquid to measure its refractive index. It comes in 38 x 38 x 38 mm or 50 x 50 x 50 mm sizes.
Last updated: October 2026
Key Features
Hollow equilateral prism of borosilicate glass plates
Parallel-faced plates fused together
Sizes 38 x 38 x 38 mm or 50 x 50 x 50 mm
Opening at the upper end, open or stoppered, for filling with liquid
Technical Specifications
Specification
Value
Material
Borosilicate glass plates
Shape
Equilateral, hollow
Size
38 x 38 x 38 mm or 50 x 50 x 50 mm
Filling opening
Open or stoppered
About This Product
Filled with water, oil or another clear liquid, the hollow prism is set on a spectrometer table to find the angle of minimum deviation. That angle gives the refractive index of the liquid, and the prism can also be used to show the dispersion of white light by liquids.
Frequently Asked Questions
What sizes is the Prism Hollow, Glass made in?
It is an equilateral prism in 38 x 38 x 38 mm or 50 x 50 x 50 mm sizes.
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